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Finding the Fourth Proportional to 46,659.75, 70,018.64 and 18,957.75

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Solution

The fourth proportional to 46,659.75, 70,018.64 and 18,957.75 is: 28,448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,659.75 : 70,018.64 = 18,957.75 : x
  2. Step 2: Convert to fraction form
    46,659.75/70,018.64 = 18,957.75/x
  3. Step 3: Cross multiply
    46,659.75x = 70,018.64 × 18,957.75
  4. Step 4: Simplify right side
    46,659.75x = 1,327,395,872.46
  5. Step 5: Solve for x
    x = 1,327,395,872.46/46,659.75
  6. Step 6: Final answer
    x = 28,448.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.